Robert Stevenson Director, Screenwriter Clive Brook Robert Maine, Manning Actor Anna Lee Carol Sands Actor Dame May Whitty Mrs. Emily Truscott Actor Hartley Power Regan Actor Milton Rosmer Fred Sambourne Actor David Tree Peter Thropp Actor Olga Lindo Grace Sambourne Actor Garry Marsh Charlie Miller Actor Arthur Margetson Osbert Actor Elliott Mason Mrs Priskin Actor O.B. Clarence Truscott Actor David Horne Morrison Actor Margaret Kennedy Screenwriter Angus MacPhail Screenwriter Roland Pertwee Screenwriter S.C. Balcon Producer Ernest Irving Original Music Ronald Neame Cinematographer Charles Saunders Film Editing